A novel voltage flicker measurement based on time-domain calculation

Research output: Contribution to journalArticle

Abstract

A novel approach has been presented in this paper to precisely calculate equivalent 10 Hz voltage flicker level through time domain calculation. The typical frequency-domain calculation often applies the FFT which would possibly cause errors due to the spectral leakage caused by the transform. In addition, the FFT works well for only stationary signals. Nevertheless, most of the practical voltage fluctuations are nonstationary. Thereby, a time domain based method is proposed to eliminate these issues. In this paper, the method is implemented in a DSP and various aspect tests are made to verify its function and accuracy. The test results declare the feasibility of the proposed method.

Original languageEnglish
Pages (from-to)435-440
Number of pages6
JournalInternational Journal of Electrical Engineering
Volume15
Issue number6
Publication statusPublished - 2008 Dec 1

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Fast Fourier transforms
Electric potential

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

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title = "A novel voltage flicker measurement based on time-domain calculation",
abstract = "A novel approach has been presented in this paper to precisely calculate equivalent 10 Hz voltage flicker level through time domain calculation. The typical frequency-domain calculation often applies the FFT which would possibly cause errors due to the spectral leakage caused by the transform. In addition, the FFT works well for only stationary signals. Nevertheless, most of the practical voltage fluctuations are nonstationary. Thereby, a time domain based method is proposed to eliminate these issues. In this paper, the method is implemented in a DSP and various aspect tests are made to verify its function and accuracy. The test results declare the feasibility of the proposed method.",
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AB - A novel approach has been presented in this paper to precisely calculate equivalent 10 Hz voltage flicker level through time domain calculation. The typical frequency-domain calculation often applies the FFT which would possibly cause errors due to the spectral leakage caused by the transform. In addition, the FFT works well for only stationary signals. Nevertheless, most of the practical voltage fluctuations are nonstationary. Thereby, a time domain based method is proposed to eliminate these issues. In this paper, the method is implemented in a DSP and various aspect tests are made to verify its function and accuracy. The test results declare the feasibility of the proposed method.

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